/*
 * Copyright 2012 Gregor Schauer
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package at.schauer.gregor.vienna.example.swing.converter;

import at.schauer.gregor.vienna.convert.vienna.base.SeparatorConverter;

import javax.swing.*;

/**
 * @author Gregor Schauer
 */
public class JComboBoxConverter implements SeparatorConverter<JComboBox> {
	@Override
	public JComboBox sourceToTarget(String source, Class<? extends JComboBox> targetClass) {
		String[] args = source.split(getSeparator());
		DefaultComboBoxModel model = new DefaultComboBoxModel();
		for (int i = 1; i < args.length; i++) {
			model.addElement(args[i]);
		}
		JComboBox comboBox = new JComboBox(model);
		comboBox.setSelectedIndex(Integer.parseInt(args[0]));
		return comboBox;
	}

	@Override
	public String targetToSource(JComboBox target) {
		StringBuilder builder = new StringBuilder();
		builder.append(target.getSelectedIndex());
		for (int i = 0; i < target.getItemCount(); i++) {
			builder.append(getSeparator()).append(target.getItemAt(i));
		}
		return builder.toString();
	}

	@Override
	public String getSeparator() {
		return Character.toString((char) 0);
	}
}
